Metropolis SystemC-based Simulator

Guang Yang, Daniele Gasperini1, Douglas Densmore, John Moondanos2, and Yosinori Watanabe3
(Professor Alberto L. Sangiovanni-Vincentelli)

Metropolis is a design environment for heterogeneous embedded systems. It is more general than other design environments in the sense that it neither biases any application domain, nor favors any particular kind of model of computation. It defines a language called Metropolis MetaModel (MMM), which is one layer above other models of computation. Therefore, it is possible to model any model of computation with MMM. In fact, in Metropolis, MMM is taken as the design input and internal representation.

Starting from the MMM design input, validating the design is the first and most important step. For this purpose, the SystemC-based simulator is widely used in Metropolis. Currently, the SystemC-based simulator can generate simulation traces out of all possibilities resulting from the non-deterministic nature of MMM. The SystemC-based simulator is still under active development. The next step is having the ability to evaluate the performance and check the properties of a design. These require the handling of function-architecture mapping, quantity resolution, and constraints checking. The first two are coming from the concept of platform-based design, where function and architecture are completely separated. By doing a simulation of the mapping between them, it is possible to evaluate the cost of implementing one function by one particular architecture. Other than simulation, it is also sometimes desirable to check properties of a design formally. MMM provides such mechanisms and it would be nice if such mechanisms could be incorporated into the SystemC-based simulator.

1Visiting Scholar, Italy
2Visiting Industrial Fellow, Intel
3Outside Adviser (non-EECS), Cadence Berkeley Lab

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